Safety And Health Foundation

22½th annual POTOMAC RIVER RUN MARATHON & HALF

^{22½th annual} ACE Physical Therapy & Sports Medicine Institute
POTOMAC RIVER RUN MARATHON & HALF
Saturday, October 18, 2025
Start times:
9:00 AM FULL Marathon
9:00 AM HALF Marathon
www.safetyandhealthfoundation.org/dean

Dear marathoner and half marathoner,

Thank you for joining for the 22½th annual ACE Physical Therapy Potomac River Run Marathon & Half.
Complete results
Awards
On the historic C&O Canal Towpath
Start & finish at Fletcher's Cove, 4940 Canal Road NW, Washington DC
The Easiest Trail Marathon in America -- Flat course, no road crossings, no turns

In memory of Dean Shulman
(September 25, 1961 - May 8, 2012)

Washington Post obituary
In memory of Dean, from The Book of Jewish Common Prayer

and
and in memory of Wendy Martinez (1983-2018)
If you complete 22^th Potomac River Run, 19^th Abebe Bikila Day International Peace, and 22½^th Potomac River Run (half or full marathon),
you are entered in SHF's 2025 Grand Prix Series
$100 cash award to anyone who completes all three SHF half or full marathons in 2025 - May 3, September 6, and October 18
| Certificate | Color Map | B&W Map | DOC | PDF | GMAP
Course:
Totally flat dirt-packed gravel trail, alongside scenic C&O Canal Towpath
The half marathon is out 6.55 miles to Towpath mile 9.65 and back
The towpath runs the length of 184.5 miles along the scenic C&O Canal
Made of crushed stone and packed dirt, it is perfect for running, biking, and recreational events and programs
It is mostly a flat route combined with some hills, turns, and medium or moderate terrain, but it's straight out'n'back where we run this race
Please be courteous to other park users. We do not have exclusive use of the trail -- we share it with other runners, walkers, and bicyclists
Aid stations with water & Gatorade at 4 locations accessible from Canal Road NW & EASTBOUND Clara Barton Parkway:
Fletcher's Cove, miles 0.0 & 13.1
Lock 5, miles 1.8 & 11.3
Lock 7, miles 3.8 & 9.3
Lock 10, miles 5.8 & 7.3
Spectator Access:
At the 4 aid stations above, plus:
Start / midpoint / finish line at at Fletcher's Cove, miles 0.0 & 13.1
Under Chain Bridge, down the spiral ramp to C&O Canal Towpath, where Canal Road NW becomes Clara Barton Parkway NW, miles 1.0 & 12.1 -
• A good place to watch in case of rain | Free parking on the canal side of Clara Barton Parkway
Lock 5 -- off-road parking on the south side of Clara Barton Parkway, legally accessible only from eastbound Clara Barton Parkway -- we would never suggest crossing the median strip
Lock 6 -- limited parking
Lock 7 -- ample parking
Lock 8 -- limited parking
Lock 9 -- limited parking
Lock 10 -- ample parking
Lock 11 -- accessible only on foot from Lock 10 on C&O Canal Towpath
Turnaround point (at the end of the blue line) -- accessible only on foot from Lock 10 on C&O Canal Towpath
Headphones and water belts:
Re personal listening devices, we follow USATF rule 144.3.b (Assistance to Athletes):
Because we must be able to communicate instructions to you at certain points in our races, we specifically allow wearing headphones during the race, but we specifically prohibit wearing headphones at these points:
• Start line
• Aid stations
• Turnaround
• Finish line
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